Knowledge Base
Articles and guides about Indonesian taxation.
How to File Annual Tax Return for Employees
Complete guide on filing Annual Individual Income Tax Return for employees using forms 1770SS and 1770S on the Coretax system.
Latest PTKP (Non-Taxable Income) Guide
Non-Taxable Income (PTKP) is the income threshold not subject to tax. Learn the latest PTKP rates and how to determine yours.
MSME Tax under PP 55/2022
Complete guide to MSME taxation under PP 55/2022 with 0.5% rate on turnover and Rp 500 million tax-free threshold.
How to Fill in Assets and Liabilities List
Complete guide on filling in assets and liabilities list in Annual Tax Return, including asset types and filing tips.
Navigating the Digital Tax System
Complete guide to using digital tax systems including Coretax, e-Filing, and e-Billing.
Difference Between Final and Non-Final Income Tax
Understanding differences between Final and Non-Final Income Tax, including characteristics, examples, and impact on Annual Tax Return.
Tips for NIHIL (Zero Tax) SPT Filing
Complete guide on NIHIL SPT, including when SPT can be nihil, causes of non-nihil, and tips to maintain nihil status.
How to Upload Withholding Certificates
Complete guide on uploading withholding certificates (1721-A1, 1721-A2, PPh 23) to coretAIx with automatic OCR feature.